| Chars | Markup | |
|---|---|---|
| space, nbspace |    | |
| lt, gt | <> | <> |
| parens | () | () |
| brackets | [] | [] |
| braces | {} | {} |
| L,R arrows | ←→ | ← → |
| H arrow | ↔ | ↔ |
| quotes | ' " | ' " |
| amp, tilde | & ~ | & ~ |
| em dash, bar | — _ | — _ |
| pipe, slash | | / | | / |
| colon, semi | : ; | : ; |
| star, hash | * # | * # |